20204705920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{95957}}^1$

素因数の和:96030

約数の個数: 128

約数和(自身を含む): 56377244160

約数和(自身を除く): 36172538240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 320, 329, 376, 448, 470, 560, 640, 658, 752, 896, 940, 1120, 1316, 1504, 1645, 1880, 2240, 2632, 3008, 3290, 3760, 4480, 5264, 6016, 6580, 7520, 10528, 13160, 15040, 21056, 26320, 30080, 42112, 52640, 95957, 105280, 191914, 210560, 383828, 479785, 671699, 767656, 959570, 1343398, 1535312, 1919140, 2686796, 3070624, 3358495, 3838280, 4509979, 5373592, 6141248, 6716990, 7676560, 9019958, 10747184, 12282496, 13433980, 15353120, 18039916, 21494368, 22549895, 26867960, 30706240, 31569853, 36079832, 42988736, 45099790, 53735920, 61412480, 63139706, 72159664, 85977472, 90199580, 107471840, 126279412, 144319328, 157849265, 180399160, 214943680, 252558824, 288638656, 315698530, 360798320, 429887360, 505117648, 577277312, 631397060, 721596640, 1010235296, 1262794120, 1443193280, 2020470592, 2525588240, 2886386560, 4040941184, 5051176480, 10102352960, 20204705920]

約数ペア:

[(1, 20204705920), (2, 10102352960), (4, 5051176480), (5, 4040941184), (7, 2886386560), (8, 2525588240), (10, 2020470592), (14, 1443193280), (16, 1262794120), (20, 1010235296), (28, 721596640), (32, 631397060), (35, 577277312), (40, 505117648), (47, 429887360), (56, 360798320), (64, 315698530), (70, 288638656), (80, 252558824), (94, 214943680), (112, 180399160), (128, 157849265), (140, 144319328), (160, 126279412), (188, 107471840), (224, 90199580), (235, 85977472), (280, 72159664), (320, 63139706), (329, 61412480), (376, 53735920), (448, 45099790), (470, 42988736), (560, 36079832), (640, 31569853), (658, 30706240), (752, 26867960), (896, 22549895), (940, 21494368), (1120, 18039916), (1316, 15353120), (1504, 13433980), (1645, 12282496), (1880, 10747184), (2240, 9019958), (2632, 7676560), (3008, 6716990), (3290, 6141248), (3760, 5373592), (4480, 4509979), (5264, 3838280), (6016, 3358495), (6580, 3070624), (7520, 2686796), (10528, 1919140), (13160, 1535312), (15040, 1343398), (21056, 959570), (26320, 767656), (30080, 671699), (42112, 479785), (52640, 383828), (95957, 210560), (105280, 191914)]